Rot Pile

Rot Pile is leftover from expired Food that will convert to Polluted Dirt over time. It also emits Polluted Oxygen

Usage
Compost can turn Rot Pile into Dirt.

Pokeshell can eat Rot Pile and excretes Sand.

If left in the place, Rot Pile will turn into Polluted Dirt over time. Sage Hatches can turn Polluted Dirt into Coal.

Production
After Food is expired, it turns into Rot Pile.